JP2013059279A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester improved in work efficiency for replacement, maintenance, or the like of a forward rotation belt 122, a reverse rotation belt 123, or the like, while machine body layout of a harvesting device 33 or thresher 9 is functionally constructed.SOLUTION: The combine harvester includes: the harvesting device 3 having a feeder house 11; the thresher 9 having a threshing cylinder 21; and a traveling machine 1 provided with a traveling unit 2 and an engine 7, wherein a grain stalk is supplied from the harvesting device 3 to the thresher 9. The feeder house 11 includes: a harvest input shaft 89 to which the driving force is transmitted; the forward rotation belt 122 for transmitting the normal rotating force from the harvest input shaft 89 to the harvesting device 3; and the reverse rotation belt 123 for transmitting the reverse rotating force from the harvest input shaft 89 to the harvesting device 3, wherein the same side part of the feeder house 11 is provided with the forward rotation belt 122 and the reverse rotation belt 123.

Description

  The present invention relates to a combine equipped with a reaping device for reaping uncut cereal grains in a field and a threshing apparatus for threshing grains of the harvested cereal grains.

  Conventionally, a traveling machine body having a traveling unit and a driver's seat, a reaping device having a cutting blade, a threshing device having a handling cylinder, a feeder house for supplying reaped cereals from the reaping device to the threshing device, and an engine for driving each unit And a grain sorting mechanism that sorts the threshing product of the threshing device, and there is a technique for continuously harvesting and threshing uncut cereal grains in the field (Patent Document 1).

JP 2008-263865 A

  In the prior art disclosed in Patent Document 1, a forward rotation drive mechanism (forward rotation belt, forward rotation clutch) that transmits a positive rotational force to the reaping device and a reaping device are provided on the left and right sides of the reaping device (feeder house). Since the reverse drive mechanism (reverse belt, reverse clutch) that transmits the reverse rotational force is distributed and arranged, it is necessary to secure the space for mounting the forward drive mechanism and the space for the reverse drive mechanism on both the left and right sides of the reaping device. There is. By securing the mounting space, there is a problem that arrangement structures such as a reaping device, a cab or a threshing device are mutually restricted. Further, there is a problem that the belt replacement or the maintenance work of the forward drive mechanism or the reverse drive mechanism cannot be simplified.

  Therefore, the present invention seeks to provide a combine that has been improved by examining these current conditions.

  In order to achieve the object, the combine of the invention according to claim 1 includes a reaping device having a feeder house, a threshing device having a handling cylinder, a traveling machine body provided with a traveling unit and an engine, and the threshing from the reaping device. In a combine supplying cereals to a device, a cutting input shaft that transmits this driving force to the feeder house, a normal rotation belt that transmits a positive rotational force from the cutting input shaft to the cutting device, and from the cutting input shaft A reverse belt for transmitting a reverse rotational force to the mowing device is provided, and the forward belt and the reverse belt are provided on the same side portion of the feeder house.

  According to a second aspect of the present invention, there is provided the combine according to the first aspect, further comprising a forward tension pulley and a reverse tension pulley for tensioning the forward belt, and the reverse belt is attached to the forward belt via the reverse tension pulley. A forward / reverse switching clutch for selectively connecting a cutting input shaft to the forward rotation belt or the reverse rotation belt is provided.

  A third aspect of the present invention is the combine according to the first aspect, wherein the feeder house and the driver's seat are arranged side by side on the side surface of the feeder house opposite to the driver seat. The forward belt and the reverse belt are arranged adjacent to each other.

  According to a fourth aspect of the present invention, in the combine according to the first aspect, the forward tension pulley or the reverse tension pulley forms a belt-tensioned reaping clutch and is disposed on the side of the driver's seat. In this configuration, the forward rotation pulley or the reverse rotation pulley is alternatively entered and operated by the reverse rotation switching operation tool.

  Invention of Claim 5 is a structure which provides a front rotor between the said threshing apparatus and a feeder house in the combine of Claim 1, Comprising: The said harvesting apparatus and the said front rotor from the said handling cylinder input shaft In addition, the forward rotational force or the reverse rotational force is alternatively transmitted via the forward rotation belt or the reverse rotation belt.

  According to the first aspect of the present invention, a reaping device having a feeder house, a threshing device having a handling cylinder, and a traveling machine body provided with a traveling unit and an engine are provided, and cereals are supplied from the reaping device to the threshing device. A harvesting input shaft that transmits this driving force to the feeder house, a forward rotation belt that transmits a normal rotational force from the harvesting input shaft to the harvesting device, and a reverse rotation from the harvesting input shaft to the harvesting device. Since the reverse rotation belt for transmitting the force is provided and the forward rotation belt and the reverse rotation belt are provided on the same side portion of the feeder house, the normal rotation belt and the reverse rotation belt can be arranged close to each other in a compact manner. The machine layout of the reaping device or the threshing device can be functionally configured so that the reaping device can be smoothly supplied from the reaping device to the threshing device, and the conveyor in the feeder house is reversed to Debris removal work can be performed easily. Further, it is possible to improve the exchange or maintenance workability of the forward rotation belt or the reverse rotation belt.

  According to the second aspect of the present invention, a forward tension pulley and a reverse tension pulley for tensioning the forward belt are provided, the reverse belt is connected to the forward belt via the reverse tension pulley, and the forward Since a forward / reverse switching clutch for selectively connecting the cutting input shaft to a belt or a reverse belt is provided, the forward rotation belt, the reverse rotation belt, and the forward / reverse switching clutch are provided at one end of the cutting input shaft. Although it can be centralized and arranged in a compact manner, it can be easily executed by a series of operations performed by the operator to perform forward operation of the forward rotation pulley or reverse rotation pulley and forward rotation or reverse rotation of the forward / reverse switching clutch. The operability for switching the reaping device forward or reverse can be improved.

  According to a third aspect of the present invention, the feeder house and the driver's seat are arranged side by side in the left-right direction, and the forward rotation belt and the reverse rotation are arranged on the side surface of the feeder house opposite to the driver seat. Since the belts are arranged adjacent to each other, the forward rotation belt, the reverse rotation belt, and the like can be collectively installed on the outer surface portion of the feeder house that is opened outward of the traveling machine body. Assembly workability or maintenance workability can be improved. In addition, a feeder house can be installed close to the side of the cab, and the entrance side of the feeder house can be communicated with the center of the left and right width of the rear part of the reaping device. A machine layout such as a reaping device or a threshing device can be functionally configured so that the reaping device can be smoothly supplied from the reaping device to the threshing device, and the inherited conveying performance of the harvesting cereal can be improved.

  According to the fourth aspect of the present invention, the forward tension pulley or the reverse tension pulley forms a belt-tensioned cutting clutch, and the forward / reverse switching operation tool disposed on the side of the driver's seat Since it is configured to selectively enter and operate a forward tension pulley or a reverse tension pulley, the forward belt and the reverse belt can be arranged in a compact manner by concentrating on one end of the cutting input shaft. However, the entering operation of the forward tension pulley or the reverse tension pulley and the driving start of the reaping device can be easily executed by a series of operations performed by the operator. It is possible to easily prevent erroneous operation of the forward / reverse switching operation tool and to improve the operability of the reverse drive (removal of clogging) of the reaping device whose drive time is extremely short compared to the forward drive (harvesting operation).

  According to invention of Claim 5, it is a structure which provides a front rotor between the said threshing apparatus and a feeder house, Comprising: From the said handling cylinder input shaft to the said reaping apparatus and the said front rotor, the said normal rotation belt or Since the forward rotation force or the reverse rotation force is alternatively transmitted via the reverse rotation belt, when the reaping device is rotated forward or reverse, the forward rotation belt or the reverse rotation belt is used. The front rotor can also be rotated forward or reverse, and both the conveyor in the feeder house and the front rotor can be reversed to easily remove the debris in the feeder house or in the front rotor portion. Can be executed.

It is a left view of the combine which shows 1st Embodiment of this invention. It is a right view of the combine. It is a top view of the combine. It is the left perspective view which looked at the same combine from diagonally forward. It is a rear view of the combine. It is a drive system figure of the combine. It is drive explanatory drawing of a reaping apparatus. It is a drive system diagram of the combine which shows 2nd Embodiment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments embodying the present invention will be described based on the drawings (FIGS. 1 to 5) applied to an ordinary combine. 1 is a left side view of the combine, FIG. 2 is a right side view thereof, FIG. 3 is a plan view thereof, FIG. 4 is a left perspective view of the combine, and FIG. 5 is a rear view of the combine. First, the schematic structure of the combine will be described with reference to FIGS. In the following description, the left side in the forward direction of the traveling machine body 1 is simply referred to as the left side, and the right side in the forward direction is also simply referred to as the right side.

  As shown in FIGS. 1 to 5, the ordinary combine in the embodiment includes a traveling machine body 1 supported by a pair of left and right crawler belts 2 made of rubber crawlers as a traveling portion. At the front part of the traveling machine body 1, a reaping device 3 for capturing uncut cereal grains such as rice (or wheat, soybeans or corn) is mounted by a single-acting lifting / lowering hydraulic cylinder 4 so as to be adjustable up and down. ing.

  On the left side of the traveling machine body 1, a threshing device 9 for threshing the harvested cereal meal supplied from the reaping device 3 is mounted. In the lower part of the threshing device 9, a grain sorting mechanism 10 for performing swing sorting and wind sorting is arranged. A driver's cab 5 on which an operator is boarded is mounted on the front right side of the traveling machine body 1. An engine 7 as a power source is disposed on the cab 5 (below the driver seat 42). Behind the cab 5 (on the right side of the traveling machine body 1), a grain tank 6 for taking the grain from the threshing device 9 and a grain for discharging the grain in the grain tank 6 toward the truck bed 200 (or container, etc.) A grain discharge conveyor 8 is arranged. The grain discharge conveyor 8 is tilted toward the outside of the machine so that the grains in the grain tank 6 are carried out by the grain discharge conveyor 8.

  The reaping device 3 includes a feeder house 11 that communicates with a handling port 9 a in the front part of the threshing device 9, and a horizontally long bucket-like grain header 12 that is provided continuously at the front end of the feeder house 11. A scraping auger 13 (platform auger) is rotatably supported in the grain header 12. A take-up reel 14 with a tine bar is disposed above the front portion of the take-up auger 13. A clipper-shaped cutting blade 15 is disposed in front of the grain header 12. Left and right weed bodies 16 are provided to project from the left and right sides of the front part of the grain header 12. In addition, a supply conveyor 17 is installed in the feeder house 11. A beater-feeding beater 18 (front rotor) is provided on the feed end side (handle 9a) of the supply conveyor 17. The lower surface portion of the feeder house 11 and the front end portion of the traveling machine body 1 are connected via the lifting hydraulic cylinder 4, and the cutting device 3 moves up and down using a cutting input shaft 89 (feeder house conveyor shaft) described later as a lifting fulcrum. The hydraulic cylinder 4 is moved up and down.

  With the above configuration, the tip side of the uncut grain culm between the left and right weed bodies 16 is scraped by the scraping reel 14, and the heel side of the uncut grain culm is cut by the cutting blade 15, and the rotation of the scraping auger 13. By driving, the harvested cereals are collected near the entrance of the feeder house 11 near the center of the left and right width of the grain header 12. The whole amount of the harvested cereal meal of the grain header 12 is conveyed by the supply conveyor 17 and is configured to be input to the handling port 9 a of the threshing device 9 by the beater 18. The grain header 12 is provided with a horizontal control hydraulic cylinder (not shown) that rotates about the horizontal control fulcrum shaft, and the grain header 12 is adjusted by the horizontal control hydraulic cylinder to adjust the horizontal inclination of the grain header 12. 12, the cutting blade 15, and the take-up reel 14 can be supported horizontally with respect to the field scene.

  Moreover, as shown in FIG. 1, FIG. 3, the handling cylinder 21 is rotatably provided in the handling chamber of the threshing apparatus 9. As shown in FIG. A handling cylinder 21 is pivotally supported on a handling cylinder shaft 20 extended in the front-rear direction of the traveling machine body 1. On the lower side of the handling cylinder 21, a receiving net 24 that allows grains to leak is stretched. In addition, a spiral screw blade-shaped intake blade 25 projects outward in the radial direction on the outer peripheral surface of the front portion of the handling cylinder 21.

  With the above-described configuration, the harvested cereal mash introduced from the handling port 9a by the beater 18 is conveyed toward the rear of the traveling machine body 1 by the rotation of the handling cylinder 21 and is, for example, between the handling cylinder 21 and the receiving net 24. Kneaded and threshed. The threshing of grains or the like smaller than the mesh of the receiving net 24 leaks from the receiving net 24. The sawdust and the like that do not leak from the receiving net 24 are discharged from the dust outlet 23 at the rear of the threshing device 9 to the field by the conveying action of the barrel 21.

  A plurality of dust feed valves (not shown) for adjusting the conveying speed of shed grains in the handling chamber are pivotally mounted on the upper side of the handling cylinder 21 so as to be rotatable. By adjusting the angle of the dust feed valve, the conveying speed (residence time) of threshing in the handling chamber can be adjusted according to the variety and properties of the harvested cereal. On the other hand, the grain sorting mechanism 10 disposed below the threshing device 9 includes a rocking sorter 26 for specific gravity sorting having a grain pan, a chaff sheave, a grain sheave, a Strollac, and the like.

  In addition, the grain sorting mechanism 10 includes a tang fan 29 that supplies sorting wind to the swing sorter 26. The threshing that has been threshed by the handling cylinder 21 and leaked from the receiving net 24 is caused by the specific gravity sorting action of the rocking sorter 26 and the wind sorting action of the Kara fan 29, and the grain (the most important thing such as a refined grain). In addition, it is configured so as to be selected and extracted into a mixture of grain and straw (second product such as grain with branch stems), and sawdust.

  A first conveyor mechanism 30 and a second conveyor mechanism 31 are provided on the lower side of the swing sorter 26 as the grain sorting mechanism 10. The grain (first thing) dropped from the swing sorter 26 by the sorting of the swing sorter 26 and the tang fan 29 is collected in the glen tank 6 by the first conveyor mechanism 30 and the cereal conveyor 32. The mixture of grains and straw (second product) is returned to the sorting start end side of the swing sorting plate 26 through the second conveyor mechanism 31 and the second reduction conveyor 33 and is re-sorted by the swing sorting plate 26. The The sawdust and the like are configured to be discharged from the dust outlet 23 at the rear of the traveling machine body 1 to the field.

  Further, as shown in FIGS. 1 to 4, the cab 5 is provided with a control column 41 and a driver seat 42 on which an operator sits. The steering column 41 includes a control lever 43 that changes the path of the traveling machine body 1, a main transmission lever 44 and a sub-transmission lever 45 that switch the moving speed of the traveling machine body 1, and a cutting clutch lever that drives or stops the cutting device 3. 46 and a threshing clutch lever 47 for driving or stopping the threshing device 9 are arranged. Further, a roof 49 for awning is attached to the upper side of the cab 5 via a sun visor support 48.

  As shown in FIGS. 1 and 2, left and right track frames 50 are arranged on the lower surface side of the traveling machine body 1. The track frame 50 includes a drive sprocket 51 that transmits the power of the engine 7 to the crawler belt 2, a tension roller 52 that maintains the tension of the crawler belt 2, a plurality of track rollers 53 that hold the ground side of the crawler belt 2 in a grounded state, An intermediate roller 54 that holds the non-grounding side of the crawler belt 2 is provided. The front side of the crawler belt 2 is supported by the drive sprocket 51, the rear side of the crawler belt 2 is supported by the tension roller 23, the ground side of the crawler belt 2 is supported by the track roller 53, and the non-grounded side of the crawler belt 2 is supported by the intermediate roller 54. Configure to support.

  Next, the drive structure of the combine will be described with reference to FIGS. As shown in FIG. 6, a transmission continuously variable transmission 64 having a traveling hydraulic pump and a hydraulic motor (not shown) is provided in the mission case 63. The engine 7 is mounted on the upper right side of the front part of the traveling machine body 1, and the mission case 63 is arranged on the front part of the traveling machine body 1 on the left side of the engine 7. Further, an output shaft 65 projecting leftward from the engine 7 and an input shaft 66 projecting leftward from the mission case 63 are connected via an engine output belt 67. A charge pump 68 that drives the lifting hydraulic cylinder 4 and the like and a cooling fan 69 are arranged in the engine 7, and the charge pump 68 and the cooling fan 69 are driven by the engine 7.

  As shown in FIG. 6, a handling cylinder drive case 71 that pivotally supports the front end side of the handling cylinder shaft 20 is provided. A barrel driving case 71 is provided on the front wall of the threshing device 9. A counter shaft 72 for driving the harvesting device 3 and the handling cylinder 21 is pivotally supported on the handling cylinder drive case 71. A tang input pulley 83 is provided at the right end of the tang shaft 76 that supports the tang fan 29. A tang input pulley 83 at the right end of the tang shaft 76 is connected to the output shaft 65 of the engine 7 via a threshing clutch 84 that also serves as a tension roller and a threshing drive belt 85. That is, the red shaft 76 is connected to the output shaft 65 of the engine 7 via the threshing drive belt 85. Then, a barrel driving pulley 86 is provided at the left end portion of the rod shaft 76 on the side away from the engine 7.

  Further, a counter input pulley 88 is disposed at the left end portion of the counter shaft 72 on the side away from the engine 7. A counter input pulley 88 at the left end of the counter shaft 72 is connected to the barrel driving pulley 86 via a tension-type barrel driving belt 87. A front end side of the barrel cylinder 20 is connected to a right end portion of a counter shaft 72 extending in the left-right direction via a bevel gear mechanism 75. The engine 7 is configured to transmit power from the engine shaft 7 to the front end side of the handling cylinder shaft 20 via the counter shaft 72 and to rotate the handling cylinder 21 in one direction.

  That is, the threshing clutch 84 is controlled to be turned on and off by the operation of the threshing clutch lever 47 by the operator. When the threshing clutch 84 is turned on, the handling cylinder 21 is driven via the counter shaft 72, and the cereals thrown in from the beater 18 are continuously threshed by the handling cylinder 21.

  Furthermore, the left end of the Karatsu shaft 76 is connected to the left end of the first conveyor shaft 77 of the first conveyor mechanism 30 and the left end of the second conveyor shaft 78 of the second conveyor mechanism 31 via the conveyor drive belt 111. The parts are connected. The left end portion of the second conveyor shaft 78 is connected to the left end portion of the crank-shaped swing drive shaft 79 pivotally supported by the rear portion of the swing sorting plate 26 via the swing sorting belt 112. The cereal conveyor 32 is driven via the first conveyor shaft 77, and the first selected grain of the first conveyor mechanism 30 is collected in the glen tank 6. The second reduction conveyor 33 is driven via the second conveyor shaft 78, and the second selected grain (second product) mixed with the sawdust from the second conveyor mechanism 31 is moved to the upper side of the swing sorter 26. Returned to

  On the other hand, a beater shaft 82 that pivotally supports the beater 18 is provided. The left end portion of the beater shaft 82 is connected to the left end portion of the counter shaft 72 through the cutting drive chain 114 and the sprockets 115 and 116. A cutting input shaft 89 is provided as a conveyor input shaft that pivotally supports the feed terminal side of the supply conveyor 17. A forward / reverse switching mechanism 121 is provided at the left end of the cutting input shaft 89. The entire cutting device 3 is supported on the cutting input shaft 89 so as to be movable up and down.

  A header drive shaft 91 is provided on the grain header 12 of the reaping device. The right end of the cutting input shaft 89 is connected to the header drive shaft 91 via the header drive chain 90. A scraping shaft 93 that pivotally supports the scraping auger 13 is provided. A header drive shaft 91 is connected to the drive shaft 93 via a drive drive chain 92.

  A reel shaft 94 that pivotally supports the take-up reel 14 is also provided. A header drive shaft 91 is connected to the reel shaft 94 via an intermediate shaft 95 and reel drive chains 96 and 97. The cutting blade 15 is connected to the right end portion of the header driving shaft 91 via a cutting blade driving crank mechanism 98. By the turning-on / off operation of the mowing clutch 242, the feed conveyor 17, the auger 13, the hoisting reel 14, and the cutting blade 15 are driven and controlled so as to continuously mow the tip of the uncut grain culm in the field. It is configured.

  Further, as shown in FIG. 6, the right end portion of the auger drive shaft 58 is connected to the output shaft 65 of the engine 7 via the auger clutch 56 and the auger drive belt 57 in the form of a tension pulley. The front end side of the lateral feed auger 60 at the bottom of the Glen tank 6 is connected to the left end portion of the auger drive shaft 58 via a bevel gear mechanism 59. A longitudinal auger 62 of the grain discharge conveyor 8 is connected to the rear end side of the lateral feed auger 60 via a bevel gear mechanism 61.

  A driving side lever 37 and an outboard lever 38 for turning on and off the auger clutch 56 are provided. A driver side lever 37 operating portion is arranged at the center of the left and right width of the front surface of the grain tank 6 (the rear side portion of the driver seat 42), and the operator can operate the driver side lever 37 from the driver seat 42 side. 6 The operation part 38 of the outboard lever 38 protrudes to the right outer side of the front surface of the front surface, and the operator can operate the outboard lever 38 from the field on the right outer surface of the glen tank 6.

  As shown in FIGS. 2 and 4, the base end side of the lock frame body 137 is provided on the upper surface of the Glen tank front portion 6 so that it can be raised and lowered, and the front end side of the lock frame body 137 is disposed on the horizontal frame 138 between the left and right sun visor columns 48. The front end side of the lock frame body 137 is connected to the horizontal frame 138 with a detachable knob bolt 139. On the other hand, as shown in FIGS. 2 and 5, a tank rotation fulcrum shaft 141 is pivotally supported on the right rear portion of the traveling machine body 1 via a tank rotation table 140. The tank rotation bracket body 142 is fixed to the upper end portion of the tank rotation fulcrum shaft 141 protruding from the upper surface side of the traveling machine body 1, and the front portion of the tank rotation bracket body 142 is fixed to the bottom rear side of the Glen tank 6.

  In addition, a conveyor transfer case 143 for connecting the feed start end side of the longitudinal feed auger 62 (grain discharge conveyor 8) is provided at the feed end portion of the transverse feed auger 60, and on the rearward extension of the axis of the transverse feed auger 60. A conveyor tilting fulcrum shaft 144 is disposed. The rear surface side of the conveyor transfer case 143 is connected to the rear end side of the tank rotation bracket body 142 via the conveyor tilting fulcrum shaft 144.

  As shown in FIGS. 2 and 5, a conveyor holder 146 is attached to a support frame 145 provided with a support frame 145 (machine frame) that fixes both ends to the upper surface of the traveling machine body 1 and the right side surface of the rear part of the threshing device 9. Stick. The tilting operation body 147 provided on the grain discharge conveyor 8 is detachably locked to the conveyor holder 146 by the conveyor lock lever body 148. Between the tilting operation body 147 provided on the grain discharge conveyor 8 and the conveyor holder 146, the intermediate part of the grain discharge conveyor 8 is sandwiched and fixed. In addition, the upper surface side of the rear part of the Glen tank 6 is detachably locked to the support frame 145 by a tank lock lever body 149.

  With the above configuration, the knob bolt 139 is removed, the lock frame body 137 is detached from the horizontal frame 138, the tank lock lever body 149 is removed, and the Glen tank 6 is rotated around the tank rotation fulcrum shaft 141. The installation unit is opened and maintenance of the engine 7 is performed. Further, in a state where the Glen tank 6 is fixed to the installation location on the traveling machine body 1, the conveyor lock lever body 148 is removed, the operator holds the tilting operation body 147, and the grain discharging conveyor 8 is moved around the conveyor tilting fulcrum shaft 144. , The feed end side of the grain discharge conveyor 8 (vertical feed auger 62) is moved onto the truck bed 200, and the auger clutch 56 is engaged with the operation side lever 37 or the outside lever 38 to operate the side. The feed auger 60 and the longitudinal feed auger 62 are driven, and the grain is carried out from the grain tank 6 toward the truck bed 200.

  Further, the grain discharge conveyor 8 is provided with a tilt support hook body 150, the tilt support chain 151 provided on the support frame body 145 is locked to the tilt support hook body 150, and the grain discharge conveyor is tilted to the outside of the machine. 8 is supported by the tilt support chain 151. The harvesting operation for cutting the grain culm in the field can be executed in either the vertical support posture in which the grain discharge conveyor 8 is fixed to the conveyor holder 146 or the tilt support posture in which the grain discharge conveyor 8 is fixed to the tilt support chain 151. Further, the auger clutch 56 can be turned on and off by either an auxiliary worker on the field (the outside of the machine) or an operator of the driver seat 42.

  Next, the forward / reverse switching mechanism 121 will be described with reference to FIGS. 4, 6, and 7. As shown in FIGS. 6 and 7, the forward / reverse switching mechanism 121 includes a forward rotation belt 122 that transmits a forward rotational force from the cutting input shaft 89 to the cutting device 3, and a reverse rotational force from the cutting input shaft 89 to the cutting device 3. Is provided with a reverse belt 123 for transmitting A normal rotation belt 122 and a reverse rotation belt 123 are provided adjacent to each other on the same side (left side) of the feeder house 11. That is, the forward belt 122 is stretched between the beater shaft 82 and the cutting input shaft 89 via the forward transmission pulleys 124 and 125, the forward tension pulley 126 and the reverse tension pulley 127.

  The forward tension pulley 126 is rotatably provided on a forward tension arm 161 that is supported by the cutting input shaft 89. Further, a tension arm shaft 163 is provided on the reverse rotation tension arm 162 supported by the cutting input shaft 89 and the reverse tension pulley 127 is rotatably provided on the tension arm shaft 163. Then, the reverse rotation belt 123 is stretched between the tension arm shaft 163 and the cutting input shaft 89 via the reverse rotation transmission pulleys 164 and 165.

  A forward rotation transmission pulley 125 and a reverse rotation transmission pulley 165 are rotatably supported on the cutting input shaft 89. A slider 166 serving as a forward / reverse switching clutch is provided between the forward transmission pulley 125 and the reverse transmission pulley 165, and the slider 166 is slidably supported on the cutting input shaft 89 by a spline engagement shaft. The slider 166 is configured to be detachably engageable with the forward transmission pulley 125 via the pawl clutch-shaped forward clutch 167, and the slider 166 is connected to the reverse transmission pulley 165 via the pawl clutch-shaped reverse clutch 168. Is configured to be detachably engageable.

  That is, a normal rotation tension pulley 126 and a reverse rotation tension pulley 127 that tension the normal rotation belt 122 are provided, and the reverse rotation belt 123 is connected to the normal rotation belt 122 via the reverse rotation tension pulley 127, and the normal rotation belt 122 or the reverse rotation belt 123. Is provided with a slider 166 (forward / reverse switching clutch) for selectively connecting the cutting input shaft 89, and the slider 127 is selected for the forward transmission pulley 125 or the reverse transmission pulley 165 via the forward clutch 167 or the reverse clutch 168. The cutting input shaft 89 is configured to be forwardly connected or reversely connected to the forward transmission pulley 125 or the reverse transmission pulley 165.

  Further, the feeder house 11 and the driver's seat 42 are arranged side by side, and the forward belt 122 and the reverse belt 123 are adjacent to the left side surface of the feeder house 11 opposite to the driver seat 42. Deploy. In addition, a forward tension pulley 126 or a reverse tension pulley 127 forms a belt-tensioned reaping clutch, and a forward / reverse switching lever 132 serving as a forward / reverse switching operation tool disposed on the side of the driver seat 42 The rolling tension pulley 126 or the reverse tension pulley 127 is selectively entered and operated.

  Further, as shown in FIGS. 3, 4, and 6, a forward / reverse switching lever 132 as a forward / reverse switching operation tool is coupled to a forward / reverse switching arm 169 for switching the slider 166 via an operating rod 131. A bracket body 133 for supporting the lever is fixed to the right side surface of the front portion of the threshing device 9, a lever bearing cylinder 134 is fixed to the bracket body 133, and an intermediate portion of the forward / reverse switching lever 132 is rotated on the lever bearing cylinder 134. Support as possible. A forward / reverse switching lever 132 is disposed between the cab 5 and the right side surface of the feeder house 11.

  The operating portion of the forward / reverse switching lever 132 is projected from the upper end side of the lever bearing cylinder 134, and the operating portion of the forward / reverse switching lever 132 is placed on the left side of the control column 41 (side column) provided with the main transmission lever 44 and the like. And an operator who sits on the driver's seat 42 can switch the forward / reverse switching lever 132 with the left hand. On the other hand, the lower end side of the forward / reverse switching lever 132 is projected from the lower end side of the lever bearing cylinder 134, and the link body 135 is fixed to the lower end portion of the forward / reverse switching lever 132. The operation rod 131 extends in the left-right direction on the upper surface side of the rear portion of the feeder house 11, and the forward / reverse switching arm 169 and the link body 135 are connected by the operation rod 131.

  With the above configuration, the operator operates the threshing device 9 by operating the threshing clutch 84, and the operator operates the forward / reverse switching lever 132 to move the slider to the forward transmission pulley 125 via the forward clutch 167. 166 is engaged, the forward rotation belt 122 is connected to the reaping input shaft 89, the reaping device 3 is operated, the threshing is carried out while continuously harvesting the culm in the field, and the grains are collected in the glen tank 6.

  On the other hand, during the harvesting operation, when the harvester cereal is stuck in the feeder house 11 or the beater 18 or the like, the operator operates the forward / reverse switching lever 132 with the threshing clutch 84 engaged and operated, so that the reverse transmission is performed. The slider 166 is engaged with the pulley 165 via the reverse clutch 168, the reverse transmission pulley 165 is connected to the cutting input shaft 89, the feed conveyor 17 (the cutting device 3) is operated in reverse, and the feeder house 11 is jammed. The cereal grains are moved back to the grain header 12 side, and the grains filled in the feeder house 11 are taken out from the grain header 12 side.

  Next, with reference to FIG. 8, the drive structure of the combine of 2nd Embodiment is demonstrated. As shown in FIG. 8, a forward / reverse switching mechanism 121 having the same structure as that of the first embodiment is arranged at the left end of the beater shaft 82 (front rotor shaft). The left end portion of the cutting input shaft 89 is connected to the left end portion of the beater shaft 82 via the cutting drive chain 114 and the sprockets 115 and 116. A normal rotation belt 122 is stretched between the counter shaft 72 and the beater shaft 82 via normal rotation transmission pulleys 124 and 125. The forward tension pulley 126 and the reverse tension pulley 127 are arranged on the forward belt 122. A reverse belt 123 is stretched around a tension arm shaft 163 of the reverse tension pulley 127 via reverse transmission pulleys 164 and 165. The forward clutch is in a forward rotation state in which the beater shaft 82 is connected to the counter shaft 72 via the forward rotation belt 122 or in the reverse rotation state in which the beater shaft 82 is connected to the counter shaft 72 via the forward rotation belt 122 and the reverse rotation belt 123. 167 or reverse clutch 168 is configured to be able to be turned on and off.

  In the second embodiment, similarly to the above-described embodiment, the forward rotation pulley 126 and the forward rotation clutch 167 are engaged and operated so that the reaping device 3 and the beater 18 are rotated forward via the normal rotation belt 122. Perform work. On the other hand, the reverse tension pulley 127 and the reverse clutch 168 are engaged and operated, the reaping device 3 is operated in reverse via the reverse belt 123, the feed conveyor 17 and the beater 18 are operated in reverse, and the grain straw packed in the beater 18 is removed. The cereal grains packed in the feeder house 11 are moved back to the grain header 12 side and taken out of the machine. By reverse rotation of the beater 18, the cereals clogged in the mouthpiece 9a can be easily removed.

  As shown in FIGS. 1, 3, 6, and 7, a cutting machine 3 having a feeder house 11, a threshing device 9 having a handling cylinder 21, and a traveling machine body 1 provided with a crawler belt 2 and an engine 7 as traveling parts. A harvesting input shaft 89 that transmits the driving force to the feeder house 11 and a positive rotation force that transmits a positive rotational force from the harvesting input shaft 89 to the harvesting device 3. A rotation belt 122 and a reverse rotation belt 123 for transmitting a reverse rotational force from the cutting input shaft 89 to the cutting device 3 are provided, and the forward rotation belt 122 and the reverse rotation belt 123 are provided on the same side portion of the feeder house 11. Therefore, the forward rotation belt 122 and the reverse rotation belt 123 can be arranged compactly in close proximity to each other. The machine layout such as the reaping device 33 or the threshing device 9 can be functionally configured so that the reaped rice husk can be smoothly supplied from the reaping device 3 to the threshing device 9, and the conveyor 17 in the feeder house 11 is reversed so that the feeder It is possible to easily perform the operation of removing the swarf in the house 11. Further, it is possible to improve the exchange or maintenance workability of the normal rotation belt 122 or the reverse rotation belt 123.

  As shown in FIGS. 6 and 7, a forward rotation tension pulley 126 and a reverse rotation tension pulley 127 for tensioning the forward rotation belt 122 are provided, and the reverse rotation belt 123 is connected to the normal rotation belt 122 via the reverse rotation tension pulley 127 and the normal rotation belt 122 is connected. A forward rotation clutch 167 and a reverse rotation clutch 168 are provided as forward / reverse switching clutches that selectively connect the cutting input shaft 89 to the rotation belt 122 or the reverse rotation belt 123. Therefore, the normal rotation belt 122, the reverse rotation belt 123, the normal rotation clutch 167, and the reverse rotation clutch 168 can be arranged in a compact manner by concentrating them on one end portion of the cutting input shaft 89. The switching operation of 127 and the forward rotation or reverse rotation of the forward rotation clutch 167 and the reverse rotation clutch 168 can be easily executed by a series of operations performed by the operator, and the switching operability for rotating the reaping device 3 forward or backward is improved. it can.

  As shown in FIGS. 1, 3, 6, and 7, the feeder house 11 and the driver's seat 42 are arranged side by side on the right and left sides of the feeder house 11. Since the rolling belt 122 and the reverse belt 123 are arranged adjacent to each other, the forward belt 122 and the reverse belt 123 are intensively installed on the outer surface portion of the feeder house 11 opened to the outside of the traveling machine body 1. it can. Assembly workability or maintenance workability can be improved. Further, the feeder house 11 can be installed close to the side portion of the cab 5, and the entrance side of the feeder house 11 can be communicated with the center of the left and right widths in the rear portion of the reaping device 3. The machine layout such as the reaping device 3 or the threshing device 9 can be functionally configured so that the reaping device 9 can be smoothly supplied from the reaping device 3 to the threshing device 9, and the inheritance and conveyance performance of the harvesting cereal can be improved.

  As shown in FIGS. 6 and 7, a forward tension pulley 126 or a reverse tension pulley 127 forms a belt tension-shaped cutting clutch, and a forward / reverse switching operation tool disposed on the side of the driver's seat 42. Since the forward rotation tension pulley 126 or the reverse rotation tension pulley 127 is selectively entered and operated by the reverse rotation switching lever 132, the forward rotation belt 122 and the reverse rotation belt 123 are connected to one end of the cutting input shaft 89. However, the operation of entering the forward rotation pulley 126 or the reverse rotation pulley 127 and the start of driving the reaping device 3 can be easily executed by a series of operations performed by the operator. The erroneous operation of the forward / reverse switching lever 132 can be easily prevented, and the operability of the reverse drive (removal of clogging) of the reaping device 3 can be improved as compared with the forward drive (harvesting operation).

  As shown in FIG. 8, a beater 18 as a front rotor is provided between the threshing device 9 and the feeder house 11, and the forward rotation belt 122 or the reverse rotation is provided from the handling cylinder input shaft 89 to the reaping device 3 and the beater 18. Since the forward rotational force or the reverse rotational force is alternatively transmitted via the belt 123, the forward belt 122 or the reverse belt 123 is used when the reaping device 3 is rotated forward or backward. The beater 18 can also be rotated forward or reversely, and both the conveyor 17 and the beater 18 in the feeder house 11 can be reversed to easily carry out the operation of removing the waste in the feeder house 11 or the beater 18 section. it can.

1 traveling body 2 crawler track (traveling section)
3 Cutting device 7 Engine 9 Threshing device 11 Feeder house 18 Beater (front rotor)
21 Handling cylinder 42 Driver's seat 89 Reaping input shaft 122 Normal rotation belt 123 Reverse rotation belt 126 Normal rotation tension pulley (reaping clutch)
127 Reverse tension pulley (reaping clutch)
132 Forward / reverse switching lever (forward / reverse switching operation tool)
166 Slider (forward / reverse switching clutch)
167 Forward rotation clutch (forward / reverse switching clutch)
168 Reverse clutch (forward / reverse switching clutch)

Claims (5)

In a combine that includes a reaping device having a feeder house, a threshing device having a handling cylinder, a traveling machine body provided with a traveling unit and an engine, and supplying cereals from the reaping device to the threshing device,
A reaping input shaft that transmits this driving force to the feeder house, a forward rotation belt that transmits a forward rotational force from the reaping input shaft to the reaping device, and a reverse rotational force that is transmitted from the reaping input shaft to the reaping device. A combine comprising a reverse belt, wherein the forward belt and the reverse belt are provided on the same side of the feeder house.   A forward rotation tension pulley and a reverse rotation tension pulley for tensioning the forward rotation belt are provided, the reverse rotation belt is connected to the normal rotation belt via the reverse rotation tension pulley, and a cutting input shaft is selected for the normal rotation belt or the reverse rotation belt. 2. The combine according to claim 1, further comprising a forward / reverse switching clutch that is connected to each other.   The feeder house and the driver's seat are arranged side by side, and the forward belt and the reverse belt are disposed adjacent to the side surface of the feeder house opposite to the driver seat. The combine according to claim 1.   The forward tension pulley or the reverse tension pulley forms a belt tension-shaped cutting clutch, and the forward tension pulley or the reverse tension pulley is selected by a forward / reverse switching operation tool arranged on the side of the driver's seat. The combine according to claim 2, wherein the combine is configured to be automatically operated.   A front rotor is provided between the threshing device and the feeder house, and a forward rotational force or a reverse force is transmitted from the handling cylinder input shaft to the reaping device and the front rotor via the forward rotation belt or the reverse rotation belt. The combine according to claim 1, wherein the combine is configured to selectively transmit a rotational force.

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